Angles of Polygons

What is the formula for the sum of interior angles in a polygon?

• (n−2)180

• (n−2)180÷n

• 360

• 360/n

What is the formula for the sum of exterior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the formula for one exterior angle in a regular polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the formula for one interior angle in a regular polygon?

• (n−2)180

• (n−2)180÷n

• 360

• 360/n

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°
• 900°
• 1080°
• 1260°

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°
• 1080°
• 600°
• 540°

What is the SUM of the angle measures in a triangle (3 sides)?

• 60°
• 90°
• 120°
• 180°

Tags

CCSS.8.G.A.5

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 90°
• 108°
• 120°
• 180°

What is the measure of ONE interior angle in a regular hexagon (6 sides)?

• 60°
• 80°
• 108°
• 120°

What is the measure of ONE interior angle in a regular triangle (3 sides)?

• 15°
• 30°
• 60°
• 90°